CN108929108A - A kind of production technology measuring arrester zinc oxide resistance sheet - Google Patents
A kind of production technology measuring arrester zinc oxide resistance sheet Download PDFInfo
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- CN108929108A CN108929108A CN201810854219.6A CN201810854219A CN108929108A CN 108929108 A CN108929108 A CN 108929108A CN 201810854219 A CN201810854219 A CN 201810854219A CN 108929108 A CN108929108 A CN 108929108A
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Abstract
The invention discloses a kind of production technology for measuring arrester zinc oxide resistance sheet, production stage is as follows: a. first weighs raw material according to parts by weight；B. it after the completion of step a, then raw material will have been weighed has been put into ball mill and suitable water is added has mixed, the raw material mixed is then subjected to ball milling again, is milled to partial size less than 3 μm；C. after the completion of step b, then granulation is dried by the spraying mixed raw material good to ball milling in polyvinyl alcohol water solution；D. after the completion of step c, then the raw material after drying and granulating is put into molding machine and is pressed into zinc oxide resistance sheet preform.Resistor disc internal structure of the present invention more stable and uniform; ageing properties are greatly improved; extend the service life of resistor disc; and resistor disc energy capability is greatly improved; protective value is stronger; comprehensive performance is more excellent, enhances the dielectric strength of resistor disc under nominal situation, increases the electric potential gradient of resistor disc.
Description
Technical field
The present invention relates to resistor disc production technical field, specially a kind of production for measuring arrester zinc oxide resistance sheet
Technique.
Background technique
Zinc oxide resistance sheet is the core component of operation of power networks protection equipment metal oxide arrester, is higher by just when encountering
When the lightning surge or switching overvoltage of normal voltage manyfold attack, the resistance value of zinc oxide resistance sheet can be instantaneously by high resistance
Turn to low resistance, make powerful momentary excess current through zinc oxide resistance sheet flow into the earth, so as to avoid electrical equipment by
Voltage attacks and influences electric power netting safe running, so far, installs the metal oxidation in parallel with insulator chain on the transmission line
Object arrester is considered to prevent one of most effective means of lightning stroke trip always.
Currently, there is also the places of some shortcomings for existing measurement arrester zinc oxide resistance sheet, such as；It is existing
It is more general with the zinc oxide resistance sheet internal structure coefficient of stability to measure arrester, considerably reduces ageing properties, shortens
The service life of resistor disc, and existing measurement arrester is weaker with zinc oxide resistance sheet energy capability, protectiveness
Can be relatively more general, the dielectric strength of resistor disc under nominal situation is reduced, the electric potential gradient of resistor disc is reduced.
Summary of the invention
The purpose of the present invention is to provide a kind of production technologies for measuring arrester zinc oxide resistance sheet, solve background
The problem of proposed in technology.
To achieve the above object, the invention provides the following technical scheme: a kind of measurement arrester zinc oxide resistance sheet
Production technology, production stage are as follows:
A. raw material is weighed according to parts by weight first；
B. it after the completion of step a, then raw material will have been weighed has been put into ball mill and suitable water is added has mixed, then
The raw material mixed is subjected to ball milling again, is milled to partial size less than 3 μm；
C. after the completion of step b, then polyvinyl alcohol water solution is dried by the spraying mixed raw material good to ball milling
Granulation；
D. after the completion of step c, then the raw material after drying and granulating is put into molding machine and is pressed into zinc oxide resistance sheet
Preform；
E. after the completion of step d, then preform zinc oxide resistance sheet is put into sintering furnace and is calcined, aoxidized
The semi-finished product of obtained zinc oxide resistance sheet are then put into water tank again and are cleaned, then by the semi-finished product of zinc resistor disc
It places into drying box and is dried；
F. after the completion of step e, finally the semi-finished product upper and lower surface of the zinc oxide resistance sheet sintered is uniformly applied again
Electrode slurry is covered, zinc oxide resistance sheet is obtained after firing.
As a kind of preferred embodiment of the invention, the raw material and its weight fraction are as follows: zinc oxide is 92.5%-
94.5%, cobalt oxide be 0.7% -1.5%, chromium oxide be 1.2% -1.5%, silica be 0.5% -1.0%, three oxidation
It is 1.3% -1.6%, manganese oxide is that 0.5% -0.9%, bismuth oxide is that two nickel, which are 0.8% -1.4%, antimony oxide,
0.7% -1.5%, yttrium oxide be 1.5% -2.5%, zirconium oxide be 0.5% -3.0%, aluminum nitrate be 0.1% -0.3% and
Glass powder is 0.1% -0.2%.
As a kind of preferred embodiment of the invention, the raw material and its weight fraction are as follows: zinc oxide 93.5%,
Cobalt oxide is 1.2%, chromium oxide 1.3%, silica 0.8%, nickel sesquioxide 1.1%, antimony oxide are
1.4%, manganese oxide 0.8%, bismuth oxide 1.5%, yttrium oxide 1.8, zirconium oxide 2.5%, aluminum nitrate are 0.1% and glass
Glass powder is 0.2%.
As a kind of preferred embodiment of the invention, the revolving speed when ball mill works is 600r/min -800r/
Min, the time of ball milling are 5-6h, and temperature when ball milling is 30~45 DEG C.
As a kind of preferred embodiment of the invention, the pressure when molding machine works is 10Mpa~20Mpa, pressure
Time 3min -6min processed.
As a kind of preferred embodiment of the invention, the temperature calcined in the sintering furnace is first risen to from 15~20 DEG C
1080~1100 DEG C, soaking time is 55min -75min, temperature is then risen to 1130~1150 DEG C again, soaking time is
105min -125min, then cools the temperature to 1080~1100 DEG C again, and soaking time is 105min -125min, then by temperature
980~1000 DEG C are down to, soaking time is 55min -75min, finally cools the temperature to room temperature again.
As a kind of preferred embodiment of the invention, the electrode slurry is conductive silver paste.
Compared with prior art, beneficial effects of the present invention are as follows:
A kind of production technology for measuring arrester zinc oxide resistance sheet of the present invention, resistor disc internal structure of the present invention is more
Ageing properties are greatly improved in stable and uniform, extend the service life of resistor disc, and resistor disc energy capability obtains
To increasing substantially, protective value is stronger, and comprehensive performance is more excellent, enhances the dielectric strength of resistor disc under nominal situation,
Increase the electric potential gradient of resistor disc.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is a kind of flow chart for the production technology for measuring arrester zinc oxide resistance sheet of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig. 1, the present invention provides a kind of technical solution: a kind of production work measuring arrester zinc oxide resistance sheet
Skill, production stage are as follows:
A. raw material is weighed according to parts by weight first；
B. it after the completion of step a, then raw material will have been weighed has been put into ball mill and suitable water is added has mixed, then
The raw material mixed is subjected to ball milling again, is milled to partial size less than 3 μm；
C. after the completion of step b, then polyvinyl alcohol water solution is dried by the spraying mixed raw material good to ball milling
Granulation；
D. after the completion of step c, then the raw material after drying and granulating is put into molding machine and is pressed into zinc oxide resistance sheet
Preform；
E. after the completion of step d, then preform zinc oxide resistance sheet is put into sintering furnace and is calcined, aoxidized
The semi-finished product of obtained zinc oxide resistance sheet are then put into water tank again and are cleaned, then by the semi-finished product of zinc resistor disc
It places into drying box and is dried；
F. after the completion of step e, finally the semi-finished product upper and lower surface of the zinc oxide resistance sheet sintered is uniformly applied again
Electrode slurry is covered, zinc oxide resistance sheet is obtained after firing.
Further, the raw material and its weight fraction are as follows: zinc oxide is that 92.5% -94.5%, cobalt oxide is 0.7% -
1.5%, it be 0.5% -1.0%, nickel sesquioxide is 0.8% -1.4%, three oxygen that chromium oxide, which is 1.2% -1.5%, silica,
It is 0.5% -0.9%, bismuth oxide is that 0.7% -1.5%, yttrium oxide is that change two antimony, which be 1.3% -1.6%, manganese oxide,
1.5% -2.5%, zirconium oxide is that 0.5% -3.0%, aluminum nitrate is 0.1% -0.3% and glass powder is 0.1% -0.2%.
Further, the raw material and its weight fraction are as follows: zinc oxide 93.5%, cobalt oxide 1.2%, chromium oxide are
1.3%, silica 0.8%, nickel sesquioxide 1.1%, antimony oxide 1.4%, manganese oxide 0.8%, bismuth oxide
For 1.5%, yttrium oxide 1.8, zirconium oxide 2.5%, aluminum nitrate is 0.1% and glass powder is 0.2%.
Further, the revolving speed when ball mill works is 600r/min-800r/min, and the time of ball milling is 5-
6h, temperature when ball milling are 30~45 DEG C.
Further, the pressure when molding machine works is 10Mpa~20Mpa, pressing time 3min -6min.
Further, the temperature calcined in the sintering furnace first rises to 1080~1100 DEG C from 15~20 DEG C, and soaking time is
Then temperature is risen to 1130~1150 DEG C again by 55min -75min, soaking time is 105min -125min, then again will
Temperature is down to 1080~1100 DEG C, and soaking time is 105min -125min, then cools the temperature to 980~1000 DEG C, when heat preservation
Between be 55min -75min, finally cool the temperature to room temperature again.
Further, the electrode slurry is conductive silver paste.
Embodiment one
The raw material and its weight fraction are as follows: zinc oxide is that 92.5% -94.5%, cobalt oxide is 0.7% -1.5%, oxygen
It is 0.5% -1.0%, nickel sesquioxide is that 0.8% -1.4%, antimony oxide is that change chromium, which be 1.2% -1.5%, silica,
1.3% -1.6%, manganese oxide be 0.5% -0.9%, bismuth oxide be 0.7% -1.5%, yttrium oxide be 1.5% -2.5%,
Zirconium oxide is that 0.5% -3.0%, aluminum nitrate is 0.1% -0.3% and glass powder is 0.1% -0.2%.
Production stage is as follows:
A. raw material is weighed according to parts by weight first；
B. it after the completion of step a, then raw material will have been weighed has been put into ball mill and suitable water is added has mixed, then
The raw material mixed is subjected to ball milling again, is milled to partial size less than 3 μm；
C. after the completion of step b, then polyvinyl alcohol water solution is dried by the spraying mixed raw material good to ball milling
Granulation；
D. after the completion of step c, then the raw material after drying and granulating is put into molding machine and is pressed into zinc oxide resistance sheet
Preform；
E. after the completion of step d, then preform zinc oxide resistance sheet is put into sintering furnace and is calcined, aoxidized
The semi-finished product of obtained zinc oxide resistance sheet are then put into water tank again and are cleaned, then by the semi-finished product of zinc resistor disc
It places into drying box and is dried；
F. after the completion of step e, finally the semi-finished product upper and lower surface of the zinc oxide resistance sheet sintered is uniformly applied again
Electrode slurry is covered, zinc oxide resistance sheet is obtained after firing.
Embodiment two
The raw material and its weight fraction are as follows: zinc oxide 93.5%, cobalt oxide 1.2%, chromium oxide 1.3%, oxygen
SiClx is 0.8%, nickel sesquioxide 1.1%, antimony oxide 1.4%, manganese oxide 0.8%, bismuth oxide 1.5%,
Yttrium oxide is 1.8, zirconium oxide 2.5%, aluminum nitrate are 0.1% and glass powder is 0.2%.
Production stage is as follows:
A. raw material is weighed according to parts by weight first；
B. it after the completion of step a, then raw material will have been weighed has been put into ball mill and suitable water is added has mixed, then
The raw material mixed is subjected to ball milling again, is milled to partial size less than 3 μm；
C. after the completion of step b, then polyvinyl alcohol water solution is dried by the spraying mixed raw material good to ball milling
Granulation；
D. after the completion of step c, then the raw material after drying and granulating is put into molding machine and is pressed into zinc oxide resistance sheet
Preform；
E. after the completion of step d, then preform zinc oxide resistance sheet is put into sintering furnace and is calcined, aoxidized
The semi-finished product of obtained zinc oxide resistance sheet are then put into water tank again and are cleaned, then by the semi-finished product of zinc resistor disc
It places into drying box and is dried；
F. after the completion of step e, finally the semi-finished product upper and lower surface of the zinc oxide resistance sheet sintered is uniformly applied again
Electrode slurry is covered, zinc oxide resistance sheet is obtained after firing.
Conventional oxidation zinc resistor disc data parameters table 1 is as follows:
| Test item | Internal structure | Service life | Dielectric strength | Electric potential gradient |
| Parameter index | It is unstable | It is shorter | It is weaker | It is lower |
One zinc oxide resistance sheet data parameters table 1 of embodiment is as follows:
| Test item | Internal structure | Service life | Dielectric strength | Electric potential gradient |
| Parameter index | Stablize | Generally | Generally | Generally |
Embodiment zinc oxide resistor disc data parameters table 2 is as follows:
| Test item | Internal structure | Service life | Dielectric strength | Electric potential gradient |
| Parameter index | Stable and uniform | It is long | By force | It is high |
It to sum up states, is obtained referring to the data comparison of table 1, table 2 and table 3, resistor disc internal structure of the present invention is more stable
It is even, ageing properties are greatly improved, extend the service life of resistor disc, and resistor disc energy capability obtains substantially
Degree improves, and protective value is stronger, and comprehensive performance is more excellent, enhances the dielectric strength of resistor disc under nominal situation, increases
The electric potential gradient of resistor disc.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, for this field skill
For art personnel, it is clear that invention is not limited to the details of the above exemplary embodiments, and without departing substantially from spirit of the invention or
In the case where essential characteristic, the present invention can be realized in other specific forms.Therefore, in all respects, should all incite somebody to action
Embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims rather than on state
Bright restriction, it is intended that including all changes that fall within the meaning and scope of the equivalent elements of the claims in the present invention
It is interior.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. a kind of production technology for measuring arrester zinc oxide resistance sheet, it is characterised in that: production stage is as follows:
A. raw material is weighed according to parts by weight first；
B. it after the completion of step a, then raw material will have been weighed has been put into ball mill and suitable water is added has mixed, then again will
The raw material mixed carries out ball milling, is milled to partial size less than 3 μm；
C. after the completion of step b, then granulation is dried by the spraying mixed raw material good to ball milling in polyvinyl alcohol water solution；
D. after the completion of step c, then the raw material after drying and granulating is put into molding machine be pressed into zinc oxide resistance sheet in advance at
Product；
E. after the completion of step d, then preform zinc oxide resistance sheet is put into sintering furnace and is calcined, obtain zinc oxide electricity
The semi-finished product of obtained zinc oxide resistance sheet, are then put into water tank again and clean, then put again by the semi-finished product for hindering piece
Enter and is dried into drying box；
F. after the completion of step e, the semi-finished product upper and lower surface of the zinc oxide resistance sheet sintered is uniformly finally coated into electricity again
Pole slurry obtains zinc oxide resistance sheet after firing.
2. a kind of production technology for measuring arrester zinc oxide resistance sheet according to claim 1, it is characterised in that: institute
State raw material and its weight fraction are as follows: zinc oxide is that 92.5% -94.5%, cobalt oxide is that 0.7% -1.5%, chromium oxide is
1.2% -1.5%, it is that 0.8% -1.4%, antimony oxide is that silica, which is 0.5% -1.0%, nickel sesquioxide,
1.3% -1.6%, manganese oxide be 0.5% -0.9%, bismuth oxide be 0.7% -1.5%, yttrium oxide be 1.5% -2.5%,
Zirconium oxide is that 0.5% -3.0%, aluminum nitrate is 0.1% -0.3% and glass powder is 0.1% -0.2%.
3. a kind of production technology for measuring arrester zinc oxide resistance sheet according to claim 1, it is characterised in that: institute
State raw material and its weight fraction are as follows: zinc oxide 93.5%, cobalt oxide 1.2%, chromium oxide 1.3%, silica are
0.8%, nickel sesquioxide 1.1%, antimony oxide 1.4%, manganese oxide 0.8%, bismuth oxide 1.5%, yttrium oxide
For 1.8, zirconium oxide 2.5%, aluminum nitrate be 0.1% and glass powder is 0.2%.
4. a kind of production technology for measuring arrester zinc oxide resistance sheet according to claim 1, it is characterised in that: institute
Revolving speed when stating ball mill work is 600r/min-800r/min, and the time of ball milling is 5-6h, and temperature when ball milling is 30
~45 DEG C.
5. a kind of production technology for measuring arrester zinc oxide resistance sheet according to claim 1, it is characterised in that: institute
Pressure when stating molding machine work is 10Mpa~20Mpa, pressing time 3min -6min.
6. a kind of production technology for measuring arrester zinc oxide resistance sheet according to claim 1, it is characterised in that: institute
It states the temperature calcined in sintering furnace and first rises to 1080~1100 DEG C from 15~20 DEG C, soaking time is 55min -75min, then
Temperature is risen to 1130~1150 DEG C again, soaking time is 105min -125min, then cools the temperature to 1080~1100 again
DEG C, soaking time is 105min -125min, then cools the temperature to 980~1000 DEG C, and soaking time is 55min -75min, most
Cool the temperature to room temperature again afterwards.
7. a kind of production technology for measuring arrester zinc oxide resistance sheet according to claim 1, it is characterised in that: institute
Stating electrode slurry is conductive silver paste.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112794714A (en) * | 2021-04-14 | 2021-05-14 | 湖南防灾科技有限公司 | Zinc oxide resistance card, preparation method thereof and method for regulating and controlling potential gradient and through-current capacity of zinc oxide resistance card |
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| CN112794714A (en) * | 2021-04-14 | 2021-05-14 | 湖南防灾科技有限公司 | Zinc oxide resistance card, preparation method thereof and method for regulating and controlling potential gradient and through-current capacity of zinc oxide resistance card |
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